123033231030133 has 4 divisors (see below), whose sum is σ = 123036316388140. Its totient is φ = 123030145672128.

The previous prime is 123033231030067. The next prime is 123033231030167. The reversal of 123033231030133 is 331030132330321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30854836512369 + 92178394517764 = 5554713^2 + 9600958^2 .

It is a cyclic number.

It is not a de Polignac number, because 123033231030133 - 2²⁵ = 123033197475701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123033231030233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542619188 + ... + 1542698941.

It is an arithmetic number, because the mean of its divisors is an integer number (30759079097035).

Almost surely, 2^{123033231030133} is an apocalyptic number.

It is an amenable number.

123033231030133 is a deficient number, since it is larger than the sum of its proper divisors (3085358007).

123033231030133 is an equidigital number, since it uses as much as digits as its factorization.

123033231030133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085358006.

The product of its (nonzero) digits is 8748, while the sum is 28.

Adding to 123033231030133 its reverse (331030132330321), we get a palindrome (454063363360454).

The spelling of 123033231030133 in words is "one hundred twenty-three trillion, thirty-three billion, two hundred thirty-one million, thirty thousand, one hundred thirty-three".